Variation in scales in Dermophis mexicanus (Amphibia, Gymnophiona)
Subtitle: are scales of systematic utility?
By: Maravalee H. Wake, Kristen M. Nygren.
Contributors: Nygren, Kristen M.; Field Museum of Natural History.
Series: Fieldiana -- new ser., no. 36; Publication (Field Museum of Natural History : 1966) -- 1378
Publisher: Field Museum of Natural History
Published: 1987
Place of publication: Chicago
Subjects: Dermophis.; Gymnophiona; Lizards -- Classification.